实现多个接口

多个接口间用,号分开即可，如
  1 /*
  2   Example8_2.cs illustrates implementing multiple interfaces
  3  */
  4 
  5 using System;
  6 
  7 
  8 // define the IDrivable interface
  9 public interface IDrivable
 10 {
 11 
 12   // method declarations
 13   void Start();
 14   void Stop();
 15 
 16   // property declaration
 17   bool Started
 18   {
 19     get;
 20   }
 21 
 22 }
 23 
 24 
 25 // define the ISteerable interface
 26 public interface ISteerable
 27 {
 28 
 29   // method declarations
 30   void TurnLeft();
 31   void TurnRight();
 32 
 33 }
 34 
 35 
 36 // Car class implements the IMovable interface
 37 public class Car : IDrivable, ISteerable
 38 {
 39 
 40   // declare the underlying field used by the
 41   // Started property of the IDrivable interface
 42   private bool started = false;
 43 
 44   // implement the Start() method of the IDrivable interface
 45   public void Start()
 46   {
 47     Console.WriteLine("car started");
 48     started = true;
 49   }
 50 
 51   // implement the Stop() methodof the IDrivable interface
 52   public void Stop()
 53   {
 54     Console.WriteLine("car stopped");
 55     started = false;
 56   }
 57 
 58   // implement the Started property of the IDrivable interface
 59   public bool Started
 60   {
 61     get
 62     {
 63       return started;
 64     }
 65   }
 66 
 67   // implement the TurnLeft() method of the ISteerable interface
 68   public void TurnLeft()
 69   {
 70     Console.WriteLine("car turning left");
 71   }
 72   
 73   // implement the TurnRight() method of the ISteerable interface
 74   public void TurnRight()
 75   {
 76     Console.WriteLine("car turning right");
 77   }
 78 
 79 }
 80 
 81 
 82 class Example8_2
 83 {
 84 
 85   public static void Main()
 86   {
 87 
 88     // create a Car object
 89     Car myCar = new Car();
 90 
 91     // call myCar.Start()
 92     Console.WriteLine("Calling myCar.Start()");
 93     myCar.Start();
 94 
 95     // call myCar.TurnLeft()
 96     Console.WriteLine("Calling myCar.TurnLeft()");
 97     myCar.TurnLeft();
 98 
 99   }
100 
101 }